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You can use the favicon cache as storage too, by redirecting users across domains. It's been proposed as a potential fingerprinting risk[0], and if a browser na
by sheept 4mo ago
You can use the favicon cache as storage too, by redirecting users across domains. It's been proposed as a potential fingerprinting risk[0], and if a browser naively reuses the cache for incognito mode, it could be used to track users across browser profiles.
[0]: https://www.schneier.com/blog/archives/2021/02/browser-tracking-using-favicons.html https://www.schneier.com/blog/archives/2021/02/browser-track...
- koolala 4mo agoWasn't this fixed or mostly fixed?
- deleted 4mo ago[deleted]
- ai_fry_ur_brain 4mo agoMy thoughts instinctively went to "this has to be being used for fingerprinting" when I read OPs blog. Are anti fingerprinting measures taking into account the use of the canvas api with favicons? The link to the supercookie site is dead unfortunately.